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Four major coronavirus variants have been discovered abroad and made their way to the U.S.

email article New variants of SARS-CoV-2 that potentially escape human immune response have the world on edge, raising concerns as to whether they will undermine efforts to bring the pandemic under control with vaccination. There are no easy answers, mainly because the data are ambiguous or lacking entirely. Reinfections have been notoriously difficult to get a handle on, as viral genome sequencing isn't ubiquitous, making it difficult to compare two separate infections in the same person over a period of time. (Plus, reinfections will never be identified as such in people whose initial...

Homegrown coronavirus variants are on the rise in the U.S. How worried should Americans be? Andrew Romano © Provided by Yahoo! Lifestyle In recent weeks, Americans have been waiting with bated breath for the arrival of worrisome overseas variants of SARS-CoV-2 — the coronavirus that causes COVID-19. We’ve all heard of B.1.1.7 (the so-called U.K. variant), B.1.351 (the so-called South Africa variant) and P.1 (the so-called Brazil variant). We’re dimly aware of how they work, with various spike-protein mutations that confer certain advantages, making them more transmissi...

Replies(93) Those traveling from the Southland may have spurred​​ the new mutant's rapid rate of spread, according to new research published Friday in the peer-reviewed Journal of the American Medical Association. ​​ (Shutterstock) LOS ANGELES, CA — As the world continues to navigate a delicate balance between coronavirus vaccinations and variants, one particular strain homegrown in Southern California appears to have made its way around the world in a short time — and holiday travel may be to blame, according to researchers from Cedars-Sinai Medical Center. To date, the Southlan...

With 95 percent of hospitals reporting, COVID-19 hospitalizations are down 101 to 1,989. This is the first time hospitalizations have been below 2,000 since late November.